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Medicare Part D

How Medicare Advantage Rebates Disadvantage Medicare’s Stand-Alone Drug Plan Market

Rebates that reduce Part D premiums for Medicare Advantage plans with drug coverage make it harder for stand-alone prescription drug plans (PDPs) to compete. That may contribute to instability in the PDP market relied on by people in traditional Medicare. The number of Part D stand-alone Rx drug plan options for the avg Medicare beneficiary has fallen by half in recent years, while Medicare Advantage drug plan options have risen.

Also: Medicare Part D Enrollment, Premiums, and Cost Sharing in 2026

Analyzing Changes in Medicare Part D Enrollment for 2026

Stand-Alone Drug Plans Cover a Larger Share of Part D Enrollees Living in the Most Rural Areas Than Medicare Advantage Plans

A Current Snapshot of the Medicare Part D Prescription Drug Benefit

Changes to Medicare Part D in 2024 and 2025 Under the Inflation Reduction Act and How Enrollees Will Benefit

NEW AND NOTEWORTHY

What to Know About Medicare Coverage of Telehealth

Congress has repeatedly extended pandemic-era flexibilities around Medicare coverage of telehealth, but most such flexibilities remain temporary. This brief answers key questions about the current scope of Medicare telehealth coverage, including both temporary and permanent changes adopted through legislation and regulation, and future policy considerations.

Examining the Potential Impact of Medicare’s New WISeR Model

A federal initiative to establish new prior authorization requirements in traditional Medicare, called the Wasteful and Inappropriate Service Reduction (WISeR) model, is likely to have only modest impact in its first year.

State Profiles for Dual-Eligible Individuals

This data collection draws on Medicare and Medicaid administrative data to present national and state-level information on people who are covered by both Medicare and Medicaid, referred to as dual-eligible individuals (also known as dually-enrolled beneficiaries).

Medicare Advantage

Medicare Advantage in 2026: Enrollment Update and Key Trends

More than half (55%) of eligible Medicare beneficiaries are enrolled in Medicare Advantage in 2026, continuing a decades-long shift toward private plans. Special Needs Plans have driven recent growth, with nearly 1 in 4 enrollees now in such plans.
To better understand trends in the growth of the Medicare Advantage program, this brief provides current information about enrollment, including by plan type and firm.

See Also: Medicare Advantage in 2026: Premiums, Out-of-Pocket Limits, Supplemental Benefits, and Prior Authorization

How Medicare Pays Medicare Advantage Plans: Issues and Policy Options

Medicare Advantage Enrollees Have Access to About Half of the Physicians Available to Traditional Medicare Beneficiaries

Medicare Advantage Insurers Made Nearly 53 Million Prior Authorization Determinations in 2024

Medicare Advantage Out-of-Pocket Limits: Variation & Trends

Prescription Drugs

What to Know About the BALANCE Model for GLP-1s in Medicare and Medicaid and the Medicare GLP-1 Bridge

CMS's temporary program to cover GLP-1 drugs for obesity in Medicare, called the BALANCE model, will not launch as scheduled on January 1, 2027. Instead, CMS is extending the Medicare GLP-1 Bridge, a separate short-term program that was to run from July to December 2026. It will now run through the end of 2027.

Key Facts About Medicare Drug Price Negotiation

Recent Trends in GLP-1 Use and Spending in Medicare

What to Know About Pharmacy Benefit Managers (PBMs) and Federal Efforts at Regulation

The IRA Has Improved Coverage of Drugs Selected for Medicare Price Negotiation

Data Visualization

The Facts About Medicare Spending

This interactive provides the facts on Medicare spending. Medicare, which serves 67 million people and accounts for 12 percent of the federal budget and 21 percent of national health spending, is often the focus of discussions about health expenditures, health care affordability and the sustainability of federal health programs. u003cbru003eu003cbru003eExplore data on enrollment growth, Medicare spending trends overall and per person, growth in Medicare spending relative to private insurance, spending on benefits and Medicare Advantage, Part A trust fund solvency challenges, and growth in out-of-pocket spending by beneficiaries.u003cbru003eu003cbru003eu003ca href=u0022https://www.kff.org/medicare/issue-brief/faqs-on-medicare-financing-and-trust-fund-solvency/u0022 data-type=u0022linku0022 data-id=u0022https://www.kff.org/medicare/issue-brief/faqs-on-medicare-financing-and-trust-fund-solvency/u0022u003eRelated:u003ca href=u0022https://www.kff.org/medicare/issue-brief/faqs-on-medicare-financing-and-trust-fund-solvency/u0022u003e FAQs on Medicare Financing and Trust Fund Solvencyu003c/au003eu003c/au003e

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  • How Do Quality and Access Compare In Medicare Advantage Versus Traditional Medicare?

    News Release

    Today a record three in 10 Medicare beneficiaries are enrolled in Medicare Advantage health plans, mainly HMOs and PPOs, which are paid by the government to provide Medicare benefits to their enrollees. Given the projected rise in Medicare Advantage enrollment, an important question for both consumers and policymakers is how quality and access to care compares for beneficiaries in traditional Medicare versus Medicare Advantage plans. To try to answer this question, the Kaiser Family Foundation…

  • Medicare Advantage 2015 Data Spotlight: Overview of Plan Changes

    Issue Brief

    This issue brief analyzes the number and variety of Medicare Advantage plan choices available to beneficiaries in 2015. It describes trends in number of Medicare Advantage plans, plan premiums, and plan quality ratings, including changes in prescription drug coverage and limits on out-of-pocket expenses. This spotlight is part of a series of spotlights tracking key changes in the Medicare Advantage program.

  • How Much of the Medicare Spending Slowdown Can be Explained? Insights and Analysis from 2014

    Issue Brief

    This paper identifies and quantifies, to the extent possible, the factors that explain the gap between actual Medicare spending in 2014 and CBO's 2009 projections of what Medicare spending would be this year. The study synthesizes information from a variety of sources and presents new analysis to assess the extent to which lower-than-projected Medicare spending in 2014 can be explained by deliberate policy and program changes, unexpected trends, and other factors.

  • Visualizing Health Policy: Medicare Spending: A Look at Present, Short-Term and Long-Term Trends

    News Release

    This Visualizing Health Policy infographic provides an overview of Medicare spending, including information on current federal spending relative to other government programs (e.g., Social Security) and percent-share of spending across Medicare services, as well as projected Medicare spending over the next decade and beyond. Recent federal spending on Medicare is about a third of Defense and Social Security spending combined. In the short term, Medicare spending per person is expected to be lower relative to…

  • New Study Provides Insight and Analysis to Help Explain the Medicare Spending Slowdown

    News Release

    Medicare, the federal health program that provides health care and coverage to 54 million seniors and younger adults with permanent disabilities, is in the midst of an unprecedented slowdown in spending growth.  A new issue brief from the Kaiser Family Foundation, How Much of the Medicare Spending Slowdown Can be Explained? Insights and Analysis from 2014, examines the factors that help explain why Medicare is on track to spend an estimated $580 billion in 2014,…

  • Report Examines the Role of Medicare and the Indian Health Service for American Indians and Alaska Natives

    News Release

    A new report from the Kaiser Family Foundation examines the role of both Medicare and the Indian Health Service (IHS) in providing access to health care for about 650,000 American Indians and Alaska Natives who are age 65 and older or who have permanent disabilities. While Medicare provides important health care coverage for most in this group, its relatively high cost-sharing and gaps in benefits can be problematic for American Indians and Alaska Native Medicare…

  • Health Affairs Article: At Least Half of New Medicare Advantage Enrollees Had Switched From Traditional Medicare During 2006-11

    Issue Brief

    In an article in Health Affairs, researchers from the Kaiser Family Foundation counter the popular misperception that the steady rise in Medicare Advantage enrollment has been driven by members of the Baby Boom generation overwhelmingly choosing the private plans as they become eligible for Medicare. Their study examines the 2006-2011 growth in Medicare Advantage enrollment and finds that a majority of new enrollees in Medicare Advantage in each year were, in fact, seniors switching from…

  • Medicare’s Role in Health-Care Payment Reform

    News Release

    In his latest column for The Wall Street Journal's Think Tank, Drew Altman explores whether Secretary Burwell's announcement this week about Medicare's payment reform initiative is another sign that the public sector is becoming the engine driving payment and delivery reform. All previous columns by Drew Altman are available online.

  • Medicare Spending Peaks at Age 96

    From Drew Altman

    In this column for The Wall Street Journal's Think Tank, Drew Altman discusses the implications of a Kaiser finding: per capita Medicare spending peaks at age 96, and the main reason is not end-of-life care.